Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dopamine levels in the substantia nigra of treated and untreated mice. A significant increase in the dopamine level was found in the HEM cotreated mice compared with the MPTP group in a dose-dependent manner. *** p < 0.001 compared with the MPTP-treated group.
